Alert archive / Colorado / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 289, NWS Pueblo, CO

September 14, 2021Bent County, Otero County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at Sep 14, 2021, 6:20 PM MDT for Bent County, Otero County, Colorado. It was in force for 57 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Sep 14, 2021, 6:20 PM MDT (00:20 UTC)
Expired: Sep 14, 2021, 7:17 PM MDT
In force: 57 min
Issued by: NWS Pueblo, CO
Area: Storm-based polygon
Damage threat: Considerable
Hail: 1.0 in
Wind: 70.0 mph

Counties Bent County, CO, Otero County, CO

What was reported inside it

Time	Report	Where	Remark
Sep 14, 6:25 PM MDT	TSTM WND DMG	La Junta, CO	DOWNED TREE BRANCHES REPORTED ACROSS LA JUNTA ACCORDING TO LAW ENFORCEMENT.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Sep 14, 1:55 PM MDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Denver, CO (KDNR), launched 00:00Z, 0.3 hours before the alert went out and 212 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 994 J/kg
Mixed-layer CIN: -49 J/kg
Mixed-layer LCL: 1842 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 6 m²/s²
0-3 km storm-relative helicity: 163 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

764 
WUUS55 KPUB 150020
SVRPUB
COC011-089-150130-
/O.NEW.KPUB.SV.W.0289.210915T0020Z-210915T0130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Pueblo CO
620 PM MDT Tue Sep 14 2021

The National Weather Service in Pueblo has issued a

* Severe Thunderstorm Warning for...
  East central Otero County in southeastern Colorado...
  Western Bent County in southeastern Colorado...

* Until 730 PM MDT.

* At 618 PM MDT, severe thunderstorms were located along a line
  extending from near North La Junta to near Blue Lake, moving east
  at 30 mph.

  HAZARD...70 mph wind gusts and quarter size hail.

  SOURCE...La Junta automated weather sensor measured 70 mph winds.

  IMPACT...Hail damage to vehicles is expected. Expect considerable 
           tree damage. Wind damage is also likely to mobile homes, 
           roofs, and outbuildings.

* Severe thunderstorms will be near...
  Blue Lake around 625 PM MDT.

Other locations in the path of these severe thunderstorms include
Hasty.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Wind damage with these storms will occur before any rain or
lightning. Do not wait for the sound of thunder before taking cover.
SEEK SHELTER IMMEDIATELY inside a sturdy structure and stay away from
windows.

&&

LAT...LON 3775 10309 3821 10286 3825 10334 3801 10359
      3782 10354
TIME...MOT...LOC 0018Z 278DEG 24KT 3797 10348 3824 10331 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

Cohen

3 follow-up statements

092 
WWUS55 KPUB 150040
SVSPUB

Severe Weather Statement
National Weather Service Pueblo CO
640 PM MDT Tue Sep 14 2021

COC011-089-150130-
/O.CON.KPUB.SV.W.0289.000000T0000Z-210915T0130Z/
Otero CO-Bent CO-
640 PM MDT Tue Sep 14 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM MDT
FOR EAST CENTRAL OTERO AND SOUTHWESTERN BENT COUNTIES...

At 640 PM MDT, a severe thunderstorm was located near Las Animas, or
15 miles east of North La Junta, moving southeast at 35 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
  John Martin Reservoir.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Wind damage with this storm will occur before any rain or lightning.
Do not wait for the sound of thunder before taking cover. SEEK
SHELTER IMMEDIATELY inside a sturdy structure and stay away from
windows.

&&

LAT...LON 3801 10359 3815 10339 3802 10295 3775 10309
      3782 10354
TIME...MOT...LOC 0040Z 304DEG 28KT 3797 10324 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Cohen

965 
WWUS55 KPUB 150102
SVSPUB

Severe Weather Statement
National Weather Service Pueblo CO
702 PM MDT Tue Sep 14 2021

COC089-150111-
/O.CAN.KPUB.SV.W.0289.000000T0000Z-210915T0130Z/
Otero CO-
702 PM MDT Tue Sep 14 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL OTERO COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 900 PM MDT for
southeastern Colorado.

LAT...LON 3790 10338 3798 10332 3798 10297 3775 10309
      3779 10333
TIME...MOT...LOC 0101Z 295DEG 17KT 3790 10324 

$$

COC011-150130-
/O.CON.KPUB.SV.W.0289.000000T0000Z-210915T0130Z/
Bent CO-
702 PM MDT Tue Sep 14 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM MDT
FOR SOUTHWESTERN BENT COUNTY...

At 701 PM MDT, a severe thunderstorm was located 11 miles south of
Las Animas, or 16 miles east of North La Junta, moving southeast at
20 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

This severe thunderstorm will remain over mainly rural areas of
southwestern Bent County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Wind damage with this storm will occur before any rain or lightning.
Do not wait for the sound of thunder before taking cover. SEEK
SHELTER IMMEDIATELY inside a sturdy structure and stay away from
windows.

&&

LAT...LON 3790 10338 3798 10332 3798 10297 3775 10309
      3779 10333
TIME...MOT...LOC 0101Z 295DEG 17KT 3790 10324 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Cohen

014 
WWUS55 KPUB 150117
SVSPUB

Severe Weather Statement
National Weather Service Pueblo CO
717 PM MDT Tue Sep 14 2021

COC011-150127-
/O.CAN.KPUB.SV.W.0289.000000T0000Z-210915T0130Z/
Bent CO-
717 PM MDT Tue Sep 14 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN BENT COUNTY IS
CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.  However small hail and
gusty winds are still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 900 PM MDT for
southeastern Colorado.

LAT...LON 3790 10338 3798 10332 3798 10297 3775 10309
      3779 10333
TIME...MOT...LOC 0116Z 278DEG 24KT 3788 10310 

$$

Cohen

The office that day

Everything else NWS Pueblo, CO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Sep 14, 6:09 PM MDT	Severe Thunderstorm Warning	PUB	Las Animas	23 min
Sep 14, 6:26 PM MDT	Special Weather Statement	PUB	Pueblo	49 min
Sep 14, 6:59 PM MDT	Special Weather Statement	PUB	Pueblo	46 min
Sep 14, 7:18 PM MDT	Special Weather Statement	PUB	Bent	27 min
Sep 14, 7:38 PM MDT	Special Weather Statement	PUB	Bent	37 min
Sep 14, 7:40 PM MDT	Special Weather Statement	PUB	Las Animas	35 min
Sep 14, 8:12 PM MDT	Special Weather Statement	PUB	Las Animas	48 min
Sep 14, 8:50 PM MDT	Special Weather Statement	PUB	Las Animas	25 min
Sep 14, 8:55 PM MDT	Special Weather Statement	PUB	Baca	35 min

Nearby

Severe Thunderstorm Warnings in Colorado, 2021 Every severe thunderstorm warning in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.